// Copyright (c) 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

/**
*@describe:
*@author wfl19/Kristas
*@date 2021/10/30
 */

package tk

const (
	KeywordSelect   = "SELECT"
	KeywordUpdate   = "UPDATE"
	KeywordSet      = "SET"
	KeywordInsert   = "INSERT"
	KeywordDELETE   = "DELETE"
	KeywordDISTINCE = "DISTINCT"
	KeywordFrom     = "FROM"
	KeywordWhere    = "WHERE"
	KeywordOrderBy  = "ORDER BY"
)

const (
	KeywordIsNull     = "IS NULL"
	KeywordIsNotNull  = "IS NOT NULL"
	KeywordIn         = "IN"
	KeywordNotIn      = "NOT IN"
	KeywordLike       = "LIKE"
	KeywordNotLike    = "NOT LIKE"
	KeywordBetween    = "BETWEEN"
	KeywordNotBetween = "NOT BETWEEN"
	KeywordAnd        = "AND"
	KeywordOr         = "OR"
)

const (
	KeywordEqual      = "="
	KeywordNotEqual   = "<>"
	KeywordGreater    = ">"
	KeywordNotGreater = "<="
	KeywordLess       = "<"
	KeywordNotLess    = ">="
)

const (
	Placeholder        = "?"
	PlaceholderString  = "?"
	PlaceholderNumeric = "?"
)
